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EOD US-equity data for investors and AI agents

Data is end-of-day, not real-time, and not investment advice

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ULCC short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float33.4%70,299,000 float shares
Days to Cover5.64,209,703 average daily volume
Open Short Position23,495,196Frontier Group Holdings, Inc.
Change vs Previous-251,033-1.1%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 202623,495,196-251,033-1.1%5.633.4%
Jul 15, 202623,746,229+87,810+0.4%6.033.8%
Jun 30, 202623,658,419-205,848-0.9%5.733.7%

Short interest is an open-position snapshot published twice monthly. It is not daily short-sale volume.

Daily off-exchange short volume

FINRA-reported short-sale transaction flow for the last 30 calendar days.

Trade DateShort VolumeShort ExemptFINRA TotalShort Volume %Facilities
Aug 21, 2026379,49420949,67340.0%3
Aug 20, 2026557,372101,046,11353.3%3
Aug 19, 2026606,70536,7381,095,97955.4%3
Aug 18, 2026394,537836908,65343.4%2
Aug 17, 2026355,4338,101842,85842.2%3
Aug 14, 2026221,178884635,77034.8%3
Aug 13, 2026247,8976,400776,12131.9%3
Aug 12, 2026314,475202802,10539.2%3
Aug 11, 2026439,9388899,19948.9%3
Aug 10, 2026489,5219,4681,072,13245.7%3
Aug 7, 2026302,217200847,47535.7%3
Aug 6, 2026281,6029721,177,33323.9%3
Aug 5, 2026248,36311,024,41524.2%2
Aug 4, 2026413,09614,0731,532,34627.0%3
Aug 3, 2026591,3001011,781,53733.2%3
Jul 31, 2026457,28401,519,65030.1%3
Jul 30, 2026921,46812,8412,424,08838.0%3
Jul 29, 20261,143,740542,617,46543.7%3
Jul 28, 2026658,73620,0362,373,48927.8%3
Jul 27, 2026485,1232,3511,755,18027.6%3
Jul 24, 2026365,7107,5751,589,65023.0%3

Daily short volume is transaction flow reported through FINRA facilities. It does not measure open short positions and is not consolidated exchange-wide volume.